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Date:      Mon, 22 Mar 2004 12:09:46 -0800 (PST)
From:      Nate Lawson <nate@root.org>
To:        Ion-Mihai Tetcu <itetcu@apropo.ro>
Cc:        acpi-jp@jp.FreeBSD.org
Subject:   Re: [acpi-jp 3129] ACPI (_PRS has invalid type 7) problem / regression
Message-ID:  <20040322120722.E34213@root.org>
In-Reply-To: <20040322215656.6e460fa0@it.buh.cameradicommercio.ro>
References:  <20040322192654.2f24ef17@it.buh.cameradicommercio.ro> <20040322215656.6e460fa0@it.buh.cameradicommercio.ro>

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On Mon, 22 Mar 2004, Ion-Mihai Tetcu wrote:
> On Mon, 22 Mar 2004 11:33:36 -0800 (PST)
> Nate Lawson <nate@root.org> wrote:
> > > The change must have happen between 2004_03_04 and 2004_03_18.
> >
> > I don't think it was the _PRS changes on 3/18 and 3/20.  I'm suspecting
> > the ACPI-CA import of 0311.  You can revert all changes to acpi_pcib.c by
> > copying this file over sys/dev/acpica/acpi_pcib.c and recompiling your
> > kernel:
> >
> > http://www.freebsd.org/cgi/cvsweb.cgi/~checkout~/src/sys/dev/acpica/acpi_pcib.c?rev=1.36&content-type=text/plain
> >
> > I suspect it won't change anything for you but please test this to be
> > sure.
>
> I'm doing it right now, thank you.
> (Recompiling the acpi.ko wouldn't be enough ?)

Yes, recompiling just the acpi kernel module would be fine.

> > Your ASL returns a different interrupt link resource based on an external
> > variable DEID.  It may be thinking it's in PIC mode and returning the IRQ
> > resource instead of APIC mode and the Interrupt resource.  See the section
> > for ALKC to see what I'm talking about.
>
> Where do I find this section ?

Device (ALKC) in your ASL.

One other thing you might try if reverting acpi_pcib.c doesn't help is to
set hw.acpi.serialize_method=0 at the loader prompt.  If that doesn't
work, set hw.acpi.osi_name=0 at the prompt.  Then try both.

-Nate



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